Invention Grant
- Patent Title: Methods, systems, and apparatuses for improving drop velocity uniformity, drop mass uniformity, and drop formation
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Application No.: US14152728Application Date: 2014-01-10
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Publication No.: US09669627B2Publication Date: 2017-06-06
- Inventor: Hrishikesh V. Panchawagh , Christoph Menzel
- Applicant: Hrishikesh V. Panchawagh , Christoph Menzel
- Applicant Address: US NH Lebanon
- Assignee: FUJIFILM DIMATIX, INC.
- Current Assignee: FUJIFILM DIMATIX, INC.
- Current Assignee Address: US NH Lebanon
- Agency: Blakely, Sokoloff, Taylor & Zafman LLP
- Main IPC: B41J2/045
- IPC: B41J2/045

Abstract:
Methods and systems are described herein for driving droplet ejection devices with multi-level waveforms. In one embodiment, a method for driving droplet ejection devices includes applying a multi-level waveform to the droplet ejection devices. The multi-level waveform includes a first section having at least one compensating edge and a second section having at least one drive pulse. The compensating edge has a compensating effect on systematic variation in droplet velocity or droplet mass across the droplet ejection devices. In another embodiment, the compensating edge has a compensating effect on cross-talk between the droplet ejection devices.
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